body {
    min-width: 700px;
}
.h1 {
    margin-top: 50px;
    text-align: center;
}
p {
    text-align: center;
    font-size: 18px;
}
/* 以上是文字提示部分 */
/* 以下是教程部分 */
h3{
    margin-top: 80px;
    text-align: center;
    margin-bottom: 50px;
}
.loginImg {
    width: 400px;
    height: 500px;
    position: relative;
    left: 50%;
    margin-left: -200px;
    margin-top: 30px;
    margin-bottom: 30px;
}
.infoImg {
    width: 600px;
    height: 500px;
    position: relative;
    left: 50%;
    margin-left: -300px;
    margin-top: 30px;
    margin-bottom: 30px;
}
.network {
    width: 600px;
    height: 500px;
    position: relative;
    left: 50%;
    margin-left: -300px;
    margin-top: 30px;
    margin-bottom: 30px;
}
.mainImg {
    width: 600px;
    height: 500px;
    position: relative;
    left: 50%;
    margin-left: -300px;
    margin-top: 30px;
    margin-bottom: 30px;
}
.sourceImg {
    width: 400px;
    height: 200px;
    position: relative;
    left: 50%;
    margin-left: -200px;
    margin-top: 30px;
    margin-bottom: 30px;
}


/* 以下是提交数据部分 */
label {
    font-size: 20px;
}
#postData {
    font-size: 20px;
}
#email {
    font-size: 20px;
}
#ber {
    font-size: 20px;
}
#ps {
    font-size: 20px;
}
.num {
    margin-bottom: 20px;
}
.over {
    margin-bottom: 20px;
}
.btnBox {
    margin-top: 20px;
}
.ma {
    margin-bottom: 20px;
}
.btnBox button {
    width: 70px;
    height: 30px;
}
.form {
    /* background-color: pink; */
    position: relative;
    left: 50%;
    margin-left: -190px;
    margin-top: 50px;
    margin-bottom: 80px;
}
.form2 {
    position: relative;
    left: 50%;
    margin-left: -190px;
    margin-top: 50px;
    margin-bottom: 80px;
}
._2btnBox {
    margin-top: 20px;
}
._2btnBox button {
    width: 70px;
    height: 30px;
}
#ber2 {
    font-size: 20px;
}
#pp{
    font-size: 20px;
}
.fixed {
    width: 200px;
    height: 200px;
    position: fixed;
    top:20%;
    right: 10%;
}
.code {
    font-size: 20px;
    position: fixed;
    top:15%;
    right: 10%;
}